18281450

素因数分解:

$2^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{773}}^1$

素因数の和:839

約数の個数: 48

約数和(自身を含む): 38006496

約数和(自身を除く): 19725046

約数列:

[1, 2, 5, 10, 11, 22, 25, 43, 50, 55, 86, 110, 215, 275, 430, 473, 550, 773, 946, 1075, 1546, 2150, 2365, 3865, 4730, 7730, 8503, 11825, 17006, 19325, 23650, 33239, 38650, 42515, 66478, 85030, 166195, 212575, 332390, 365629, 425150, 731258, 830975, 1661950, 1828145, 3656290, 9140725, 18281450]

約数ペア:

[(1, 18281450), (2, 9140725), (5, 3656290), (10, 1828145), (11, 1661950), (22, 830975), (25, 731258), (43, 425150), (50, 365629), (55, 332390), (86, 212575), (110, 166195), (215, 85030), (275, 66478), (430, 42515), (473, 38650), (550, 33239), (773, 23650), (946, 19325), (1075, 17006), (1546, 11825), (2150, 8503), (2365, 7730), (3865, 4730)]